Разложи на множители:
Б)y^3 +4y^2-32y
В)x^3-9x^2+18x-ax^2+9ax-18a
Г)2y^3+my^2+6y^2+3my-20y-10m
Б)y^3 +4y^2-32y
В)x^3-9x^2+18x-ax^2+9ax-18a
Г)2y^3+my^2+6y^2+3my-20y-10m
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Answers & Comments
у(у+8)(у-4);
в) х(х^2-9х+18)-а(х^2-9х+18)=
(х-а)(х^2-6х-3х+18)=
(х-а)(х(х-6)-3(х-6))= (х-а)(х-6)(х-3);
г) 2у(у^2+3у-10)+m(y^2+3y-10)=
(2y+m)(y^2+5y-2y-10)=
(2y+m)(y(y+5)-2(y+5))=
(2y+m)(y+5)(y-2).